压缩式制冷循环经过四个过程,依次是?
压缩--冷却--节流--蒸发the working principle of vapor compression refrigeration is the refrigerants in the compressor、condenser、expansion valve is compressed and evaporator thermal equipment、exothermic condensation、throttling and endothermic four main thermal evaporation process，to complete the refrigeration cycle，implementation of the cooling medium refrigeration effect。
